Full TGIF Record # 324882
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143809
    Last checked: 01/24/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Mondal, Saptarshi; Jespersen, David
Author Affiliation:Mondal: Presenting Author and University of Georgia; Jespersen: University of Georgia-Griffin Campus
Title:SNP based QTL mapping for salinity tolerance in a zoysiagrass mapping population (Z. japnoica x Z. matrella)
Section:Molecular Techniques, Genetics, Microbiome, and Turfgrass Breeding Oral (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143809.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Crop cultivation and turfgrass management are presently facing many challenges due to soil salinization. The major contributor to soil salinization is Sodium chloride (NaCl). Crop plants encounter various physiological and biochemical alterations under salinity stress, which greatly reduces yield and productivity. Zoysiagrass is an important turfgrass species that is used widely in the US. Leaf firing is one of the most conspicuous symptoms in zoysiagrass under salinity stress, which leads to a drastic economic loss. An interspecific mapping population between tolerant Z. matrella acc. PI231146 and susceptible Zoysia japonica var. Meyer has been developed for the identification and mapping of Quantitative Trait Loci (QTL) related to salt tolerance. Around 200 F2 plants were screened under normal water and 30 dS/m levels of salinity. The mapping population along with their parents have been phenotyped with several morpho-physiological parameters such as chlorophyll content and FVFM. Plants showed a range of phenotypic responses from extreme susceptibility to a high tolerance. DNA libraries of individual genotypes are ready to be sent for genotyping by GBS to find out significant SNPs, followed by an association between phenotype and genotype to identify and map major QTL. Future work includes repetition of the trial and analysis of differentially expressed genes between salt tolerant and susceptible genotypes through the Bulk Segregant RNA sequencing approach. This study is expected to provide key information regarding salt tolerance in zoysiagrass which will guide the upcoming zoysiagrass improvement projects."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mondal, S., and D. Jespersen. 2022. SNP based QTL mapping for salinity tolerance in a zoysiagrass mapping population (Z. japnoica x Z. matrella). Agron. Abr. p. 143809.
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